GlenCalc

Protein calculator

Protein needs scale with body weight. The RDA of 0.8 g per kilogram covers most sedentary adults; people who train regularly are often advised more.

Your answer

Protein a day77 to 108 g
Weight77.1 kg
  • An estimate for general information, not medical advice.

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How we worked it out

Updated as you change the numbers.

  1. Protein = weight in kg × grams per kg = 77.1 kg × the range for your activity.

Method and assumptions

The adult RDA is 0.8 g of protein per kilogram of body weight. Sports nutrition position stands suggest about 1.4 to 2.0 g/kg for people in regular training, and studies suggest 1.0 to 1.2 g/kg for older adults. People with kidney disease should follow their doctor’s advice.

Questions

How much protein does a 170 lb sedentary adult need?

About 62 g a day (77 kg × 0.8).

Sources

Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.

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